Finding the Fourth Proportional to 112,910.93, 155,805.86 and 65,179.66

Step by Step Solution

1. Step 1: Write the proportion equation
   112,910.93 : 155,805.86 = 65,179.66 : x
2. Step 2: Convert to fraction form
   112,910.93/155,805.86 = 65,179.66/x
3. Step 3: Cross multiply
   112,910.93x = 155,805.86 × 65,179.66
4. Step 4: Simplify right side
   112,910.93x = 10,155,371,875.88
5. Step 5: Solve for x
   x = 10,155,371,875.88/112,910.93
6. Step 6: Final answer
   x = 89,941.44